⚠️ Nightly upstream-dev CI failed ⚠️

[Workflow Run URL](https://github.com/pydata/xarray/actions/runs/9831370889)
<details><summary>Python 3.12 Test Summary</summary>

```
xarray/tests/test_computation.py::test_complex_number_reduce[numbagg]: AttributeError: `np.complex_` was removed in the NumPy 2.0 release. Use `np.complex128` instead.. Did you mean: 'complex64'?
```

</details>
